Analysis Of Income And Expense [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|
| Analysis of income and expense [abstract] | |||
| Revenue [abstract] | |||
| Revenue |
285 548
EUR
|
297 234
EUR
|
299 962
EUR
|
| Material income and expense [abstract] | |||
| Finance income (cost) | — | — | — |
| Other finance income (cost) |
541,000
EUR
|
2 657
EUR
|
564,000
EUR
|
| Expenses by nature [abstract] | |||
| Classes of employee benefits expense [abstract] | |||
| Expense from share-based payment transactions with employees |
4 352
EUR
|
5 067
EUR
|
2 740
EUR
|
| Employee benefits expense |
180 629
EUR
|
189 891
EUR
|
187 934
EUR
|
| Tax expense other than income tax expense |
3 291
EUR
|
2 626
EUR
|
1 645
EUR
|
| Comprehensive income, continuing and discontinued operations [abstract] | |||
| Comprehensive income |
28 831
EUR
|
12 423
EUR
|
7 584
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||
| Comprehensive income, attributable to owners of parent |
28 830
EUR
|
12 425
EUR
|
7 583
EUR
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||
| Comprehensive income, attributable to non-controlling interests |
2,000
EUR
|
2,000
EUR
|
1,000
EUR
|